CCNA Explorer 4 Accessing the Wan

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Wans
Small Office home - Lille kontor
Campus - Hovedkontor
Branch - Filialer
Distributed
Enterprise Arkitektur
Enterprise Arkitektur
Enterprise Arkitektur
Eksempel
OSI og lag 2 WAN's
Udbyder og kundeplaceret udstyr (Demarcation Point)
WAN enheder

WAN standarder

Fysiske standarder
Fysiske standarder
Data Link protokoller
HDLC frame.
WAN typer i CCNA
Amerikanske og Europæiske standarder ofte forskellige
Linie hastigheder

WAN typer

ISDN
X.25
Frame Relay
ATM
DSL
Cable
Wireless
VPN
VPN
Metro Ethernet
WAN typer 1
WAN typer 2

Seriel kommunikation

Seriel kommunikation
RS232 (Console port, COM port, WAN port (Synkron, asynkron)
TDM
TDM statistisk
ISDN
USA: Sonet Europa: SDH
PDH multiplexing (Amerikansk)
PDH multiplexing (Amerikansk)
PDH multiplexing (Amerikansk)
Exp4wan40.png
Exp4wan41.png
Exp4wan42.png
Exp4wan43.png
Exp4wan44.png
Exp4wan45.png
Exp4wan46.png
Exp4wan47.png
Exp4wan48.png
Exp4wan49.png
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